Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5040440 | Product switching mechanism | — | 1991-08-20 |
| 5014534 | Frame-mounted entry guide system | John G. Maybrey | 1991-05-14 |
| 4296254 | Transetherification in amides | Robert E. Middlebrook, John P. Chupp | 1981-10-20 |